2pp, 12mo. In fair condition, aged and lightly creased, with one fold. The letter reads: 'Just as I was going to get ready to go to the Court Ball this evening I felt suddenly so unwell and so weak that I am, to my great regret, obliged to abstain. | Will you kindly inform their Royal Highnesses the Prince and Princesse [sic] of Wales, of the motif of my absence, present them my humble excuses'. Elegant signature. Rustem Pasha is buried in the Roman Catholic cemetery, Kensal Rise, London. He has an obituary in the Annual Register.